Pull-socket.



H. HUBBELL.-

PULL SOCKET.` APPLIUATION FILED JUNE 17. 1911.

Patened Feb. 18, MMS.

2 SHEETS-SHEBT 1.

WIr/1158858.-

H. HUBBBLL.

PULL SOCKET.

APPLIQATION FILED JUN; 11, 1911.

Patented Feb. 18, 1913.

Z SHEBTSrSHEET 24 NVENTOH V TTOHNEY verateci by .fr clmin or oord tbe slieii, so es to reduite OCCHI?.

-tive purposes merely, and tibet-tbe invention Henner :t1-inneren, or ne? `Specificotien of Leiters letent.

Paten bed Feb. 18, 1913. 1911. 4serial nu. 633,351.

concern f t.

ii; known tba. Him/'nr linen-nm., o eiiiffzen of *die United Sintesi, residing' etof Fairfield, Starte of beve invenect, im impmweniem, as, of which 'the oiiowing 1s e iriilgeport, ycfninty Connecticut.

speciticetion.

This invention iure liorjie object to improve generally tbe consiruction end mode of operation oi poli sockets and especially to provide. n pull socket which may be opion. lever not on the shefe of t-lie swiacn end wholly insuiated from the switch mechanism, said ieverpbeving the opemtine cbsin, when one is used. abt-ached thereto outside Tebe shell, thereby avoiding the use of guide ibrongl which the cbeinvinusi pass and elle attachment lo tbe-ehnin 'to n'ioving {ieriwithin tbe probability of' breakege of seid @bein io a minimum :1nd feeilitaing its renewal sbonid suc-b. breakage More pereiculary the inrentieiin conteur plates the 'use of :in operating lever mount. ed on a :Enicrun'i outside tbe shell und t'hcrefore removed es .fer ne possible from the electric connectimie. bnr firmly end rigidly attached to tbe insrtieting' bloei-is, seid lerer being conneetefi 'with the switch meebenisro limoni uieinp; link which nmy pass tlirouggi. ,s r miively smell opening in the siieii, emi sebi lever being further readily reve sie on tbe .socket in order to adapt. ehe socket; for use with either en upright or o. depending lamp.

"ifbese and other objects of the invention, tege ier with means whereby the some may be corrieri inio ei'eci, will best be understood from the following' description of one form or embodiment thereof iliu'straied in the nc# compenying drawings. It. will, be undern stood lwweverthetL the construction shown and described has been chosen for ilustrzi nniy beenibodiecl in other forms Without departing' from tllespirit and. Scope thereof.

in seid drawings: figure 1 is n longitudinal section ot the socket showing the snm-e nrenged to support u lmnp in uprighi position. Fig. il is o t'letnil edge View 'of the ruck for operating 'the switch bierbunism. Fig. 3 is n side View, iooking freni tbe righty in Fig. 1,101E the switch mechanism shell. 1@ the ce Vrenwveoi from the shell. Fig. 4. is e \f'ie\v,.55 giieri'ly broken away, lool-ring from the right Fig. 3, certein parts being shown in section eubstnntiiaiiy on the line 4i-4, Fig.A 5. Fig. is a central section at righi angles to Fig. 1. the parts beine; riewerii from the side 60 opposite to that in Fig. Fig. 6 is n. side View of the complete socketebowing the sume arranged to support e depentiing lmnp. Figs. i and 8 are face and edge views respectively, y n of the circuit closing; and breaking device. 65 Fig. 9 is e farce View of thenotohed disk carried by seid circuit: closing. and breaking device. Figs. wend-11 lare fece and edge views respectively of the operating pinion. Figs. 12 and 13 are side und end views re- 70 Spectively of the supporting bracket for thel operating lever.

15 denotes the body-portion of the socketp which is secured to said body portion in any suitable manner'. es by 75 ineens of e screw 17, and 18 denotes the insulating' lining` of tbesbell. 1

.t9 and 20 denote respectively inner and outer insulating blocks the .su/nie being connectod and spaced by binding posts 21 andy 80 22, respectively, secured to sciiti blocks, es by screws or bolts 23, end' provided respecg tively with binrling screws and Bind; ng'post. Q1 is provided with un integre] volte piece 26 connected with tbe serewshel 37 85 and insulating block by ineens oi' bolts 64. (see .Figa 3). The binciing posti- 22 has secured thereto, es by means of one 'of the screws e. springeontect; piece 2. Q9 denotes e similar spring Contact piece connect'- S04 ed by bolt with be center commet 3lof the socket.

The circuit through contacty pieces 28 und 29 is opened and closed by ineens oi switch mechanism which will now be described.

32 denotes il shaft jonrneled at one end in a bracket 33. secured to insulating block 19 by :1 screw 34, irnd supported at the other emi by im angular heed 35 havingn. squtreoi port-ion received in eorre'spondingiy formed. 1D0 recessesin'insulating blocks 19 and The circuitoolosing device comprises a doublebreuik switch member consisting of a. ratchet. 36 formed of insulating material, such, .fcexzunple, :is tibet'. nml provided will; a. metal 105 plate 3'? barring spring :mns 38. The ratchet t is 'rigidlysecured to the shaft; 3Q, es by .o drive tit. while tbe plete @robien is attached tov said ratchet, is provided with a central aperture ot greater diameter than the shaft 32,

so that said plate is insulated.- fromv saidshaft by said ratchet.

Said

j ratchet and plate 37 are located between the spring contact members 28 and 29, the arrangement being such that as said ratchet is rotated said Contact members willv be brought. alternately into engagement with the periphery of the'ratchet and with the f spring'arms 38, thereby alternately opening -f gaged by opposite 20.

. alternatelte'eth on the ratchet.

Fig. 4, .the spring' 'f earin said figure. U, on turnin said then being' again in the. position shown in.

ratchet through a quarter of a rotation from `right to left the spring plates 28 and 29 will be engaged with the next adjacent pair of teethv on the ratchet and will also loe brought into contact with the spring arms 38, thereby closing the circuit. Upon a further quarter vrotation of the ratchet 36 the ends of the ari s138iwill pass the ends of the spring plates 28 and 29 and will snap out of en agement therewith, thereby instantly breaking the circuit at` two points, the parts Fig. 4.

i AdjacentI the ratchet 36 the shaft 32 is provided with a disk 39 of insulating material, said disk-serving to Separate the circuit closing mechanism from the operating mechanism, which will. now be described.

. 40 denotes'al disk vfast on the shaft 32, and

provided with a suitable number of'angular i jecting lugs notches or recesses 41.

43 denotes a pinion loose on the shaft 32 adjacent the disk 40 and provided with pro-l 43, there being two of these lugs as shown, adapted to engage the notches 41 in pairs. The lugs 43 are provided with angular forward faces andifinclined backs, the arrangement being such that when the pinion 42 iss-,rotated in one direction the shaft 32 and parts carried thereby will be rotated therewith, but when said pinion is rotated in the opposite direction the ratchet 3G will he held by the spring plates 28 and 29 and the lugs 45:3 will move out of the yeo -the en ga gem ent notches 41 and move idly over the face of the .disk 40, the pinion 42 moving longitudinally of the shaft to permit the disengagement of the lugs`43 from thev notches 41.

4t dcnotesa spring connected `at one end with the head 35 and at the other with the pinion 42, said spring operating to press said pinion 42 .ld .rd the disk 40 to 'cause the lugs 4ta with the notches 41 and also acting to return said pinion to normal position when the saine has been rotated.

The pinion 42 is provided with a hub 45 provided at its outer edge with a radially projecting lange or collar'46.

.47 denotes a slide guided o'n the hub. 45 between the flange 46 and the face of` the' pinion 42 and provided with an oset rack 48 engaging the teeth of said pinion.

49 denotes a link formed of suitable insulating material. such as fiber, said link be1ng pivoted a 50 to said slide 47 and at 51 to a stud 52 swiveled in an opening 53 in an operating lever 54, said stud being provided with a head 55 at the outer side of said lever. The lever 54 is fulcrumed on a bracket comprising a base 56, provided with "preferably integral wings or projections 57,

and 'a struc-k up arm V58 having at its end ears 59 which carry a pin 60 constituting a fulcrum for operating lever 54. l The ends of the base 56 are received in recesses 61 and vG2 in the insulating 'blocks 19 and 20 respectively,`the wings or projections 57 are received vbetween said blocks, and the arm 58 passes out of the shell .through the usual slot 63 in the shell membei; 15. When the shell members are in place the base of the bracket is securely held in place in the recesses 61 and G2 by said shell members and is Jfurther held rigid by engagement of the wings 57 with the insulating block.

The operation is as follows: A suitable chain (not shown) will usually be attached to the outer end of the lever 54 and will depend therefrom. When this chain is pulled the lever 54 is swung outwardly, carryin with it the slide 47 with its rack 48 an rotating the pinion42. Rotation of thel pinion 42 causes, through the engagement of the lugs 43 with the notches 41 in the disk 40, a partial rotation of the shaft 32,

thereby turning the disk 3G to make or break the circuit. through the spring plates 28 and 29. When th chain is released the spring 44 will turn the pinion 42 buckwardly, thereby returningr the slide'47 and lever 54 to their original position. At this time however the ratchet 36 is held against rotation by the spring plates 28 and 29, so that the pinion 42 turns idly over the disk 40 without rotating the same. v

Asshown in Fig. 1 the socket is arranged to support a lamp in the ulnight position. In Fig. 6 the socket is shown inverted or in a position to support a dependingr lamp. Tn either case however it` is desiralule that. the lever 54 occupy such a position that it may be operated by a downward pullupon `a chain attached to its end. lnforder to rc verse the lever the shell members are 'separated and removed, and the lever bracket is moved outwardly to disengage its base 56. from the recesses (l1 and (52 and to withdraw the wings 5T from between the inuuliiliiiig liloclil lll iiiiil 20. 'llie swivel connection hetween the liiili" 'l-l) iiiiil lever 54 thereupon permite the bracket to he turned into en' iiivertetl position, i'eplm'otl, finil secured in the new position hy replacing the shell uwii'ilicrs.

'the coiiti'intioii iiliovc lli-scribed provides ineens; whereby :in operating lever for :i pull socket :switch i'i'ieclifinisiii iiniy he tulcrumed oiitititle the lsocket; shell hut upon ii Support connected with :i rij'gitl portion of the socket rather thun with the shell. By locating' the fulciuin of the lover outsile the shell this levi-i.' ie i'ciiioveil iis ifiir iis possible troni the electric connection and is i'eiitlily-:iccessihle 'for purposeey or' irepiiir. llloreover by so iociitiiigi' the leve' it becomes unnececsary tor the operating' Chain to poss within the socket Shell, zit, which point breaks ii'i such chiiin frequently occur making the services ot' un electricien necessary 'tor purposes of repair, iitul :ileo such locution of the lever uizikes it unnecessary for the lever itself to poss through the socket shell, so that the only opening neccfiszii'y in the shell will he :i relatively eiiiiill one s'ui'licicut, for elige ot the erin 58 :intl link 49. Further incre it, will he seen that, since the lever is siipportetl 'ti-oui the insulating' blocks sind connected with tht` switch iiieclumism by im .insulzitiri link, thinI lever is completely insiilutcil troni the electric connections Within" 'illicit it het'oiiies; net 'esearyvto' the shell. reverse the operating lever this may he easily :intl quickly (lone :intl the sui'iporting lii'iicltet therefor sct'eiirely tnsleuetl in its new. poiiition without'. the use ot' iiiiy tooleI wliiitsoci/ci' other thon euch iis nizw be. required to seperate :mit replace the eoclcct iiieii'ihers.

'Having' thus fleecrilieil iiy invention I clziiiii I l, .l pull guichet comprising' mvitch mech- :inieiiniiii operating lever, :i reversible tii'iicliclllitretoi', :intl :i swii'elefl connection iiici'iiictlisitc .will lcvcr :intl the switch iiici'luiiiiwiii.

ii, .li pull socket zoiiipi'siiigf switch iiiccliziiiilii, :iii operating' lever, :i ici'ci'silslc hrm-kot tlici'iil'or :intl :iii insulating' linli' connected lollio switch iiicclniiiireiii :mil liiiiiiig' ii :=\\'i\'cl il t-oiiiiwlioii to llit opti'zitiiigf level'.

il. pull uoiltct comprising' switch mechiiiiie'iii. :in opcriiliiigr lever therefor, :ivtlctzu'li- :alilc :intl reversible lirziclfct for suitl lcrti', nml :i lilik coiiiiottsil lo tlic switch iiiot'liiiinl liiiriiig tlni opcrziliugi' lcvci'.

1l. ,il puldlrem'kct coiiipriinga switch iiic ^li- :ini-iii- :iii opci'utiiig' levcr Microfor, :i ilctaif'li- :iiiil rix'ci'sililc iiisulaitcil lii'zit'lwl Ytor will lifter :intl :i `iwivclcil sind :intl ilisilliitl' tciincfftiiig' unifi lcrcr :intl iiicclni-f yiull socket joiiipriiiiii' :i uocliet'ulicll, bloeitv within soul ulicll, `witch :i Hwiwlotl connection to' mechanism carried by siiitl insulating' blocks, e briiclet. secured to siiitl blocltu :intl exlciitling Without the shell, :intl :in operating lever 'or Said Iiicclninisn'i fulcrui'iieil iii s'iitl bracket; outside sziiil shell.

G. pull. socketcoii'iprisiiig ii, socket shell, insulating blocks within sfiid shell, Switch. l iiieclmiiis'in carried by seid insulatingblocks. :1 href-kei' fletachnhly :intl iever-eil'ilir sfeciu'ctl to shift blocks und extending' witlioiit` the shell, :nifl en operating lever toi' siiitl inachenisiii fulcrunieil in said liinclitt outside said 'Shelli 7'. pull socket' toiiiprising; :i socket Shell, ineiilzi-ting blocks within said ulieil, switch iiiechmiisin ciirried hy Said insulating lilcelts, :i lirzit'li't-t cletiiclnilily :intl i'ei'erfiilfA fieciiretl to Finiti bloei-:fsf and extending' wiiliout the shell, im operating lever for eiiiil iiiocliiiiiieni ilulcruineil in eziitl bracket outside said shell, :intl ii, link connected to the switch inechzinisni and hei/ing swiveieil connection to the operating lever.

8. A pull socket comprising a- Switch member, zi 'pinion for oi'ierziting siiicl Switch member, a, rack t'or operating' seid. pinion, :i lever for operating; siiitl rlich, :i reversible fulcruni'or ,said lever, envi. mi ineuliiting link connecting seid lever :intl rock.

9. A, pull Socket eoi'nprieing :L` switch ,iicii'ibeig ai pinion for operating said svitch member, ii rnc-lc; for operating' Seid pinion, fin operating' lever, i reversible tulci'um therefor iinrl :i swivcletl connection between said lever :intl rack. 10. A pull socket: comprising :i socket shell, ii switch i'i'icmlier. Within said shell, a pinion 'for operating seid switch member, ov rock for operating seid operating siiirl ruck, and ii reversible tul-l cruzn .for seid lever loca-ted outside siiii'l Vshell.

11,. A pull sockety comprising i1 Socket shell, insulating blocks switch ineiiibor ciiirictl blocks, :i pinion for operating'siiid switch iiieiiiher, n incl; toi' operating seid pinion, zi. lirfickct Qi-,cured to Siiid blocks :intl extending without the shell, :intl li, lever fulcrumed in siiiil bracket outside said shell .find operatively connected `with s'liiil ruck. l l2. A, pull socket comprisingA a, pair of spliced iiisnlntii'ig;r tile cousus, switch mechanism carried by siiitl -l locl s, :i bracket haring; :i has@ received in eiivitl recesses. und provided with projections extending between sniillilocks, u. socket shell inclosiiig siiifl .lilocltsfiiurl i'riniiitfiiniiig siiiil hose in pliiceiii Suid recesses, :intl ii lever pivotcil t0 siiitl lii'ocltctnml operatively coliriccteifl with siiitlswltcli iiiecl'iiiriisi'ii,

13, A pull socket, comprisiiig'fzi poii'ot spin-cil ii'ieu'liiftii'ig blocks provitlm'l with recesses, switch inecluiiiisii'i' carried hv .uniti hlm-lts, :i lii'ziclfct, lnwing it' lio-Sc rctcivctl iii within salti shell, el hy said insulating.

ks provided with rtepinion, :i lever tor said recesses and provided willi projections exleinling between Said blocks', u socket shell inclobing;l said blocks sind i'rmintaining said base in place in Suid recesses, seid bracket haring; im ui'in 2i/tending without said shell, and a lewi' pivoied 4[o Said drm outside smid shell und operatively enilneeted with seid switch mechanism.

'14.' A pull socket eminprieing :i pair of ,spaced insulating blocks provided with re- Cesses, switch member carried by said insule'hiig'bloeks, a pinion for operatmgsaid switch member, a rack for operating Suid 

